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Introduction to Linux - A Hands on Guide

This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.
For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.

What am I running here? is that 64 bit OS??
Because some of applications acting like it is 64 bit?
Do I need to go back in i386?
my cpu info

If it was 64-bit, there would be a 64 in it. i386 is old-school 32-bit for the 386, 486, and early Pentiums and AMD. The i686 tag is modern 32-bit OS that includes extensions and performance-enhancements for most Pentium-class CPUs and AMD processors.

What am I running here? is that 64 bit OS??
Because some of applications acting like it is 64 bit?
Do I need to go back in i386?

i686, that is 32bit. No need to 'go back' to i386, your CPU has no problems with i686. If its even possible to get an i386 kernel for your distro.....

BTW, "linux 2.6.22.5-31-default", is that openSUSE 10.3? If it is, you should really get a newer version, or a different distro- openSUSE 10.3 has been out of support' for years now (end of life for 10.3 was 31st of October, 2009).

Quote:

Originally Posted by markhud

The i686 tag is modern 32-bit OS that includes extensions and performance-enhancements for most Pentium-class CPUs and AMD processors.

Just FYI, the original 'pentium' class intel CPUs are only i586, not i686. The 1st i686 (P6) intel CPU was the Pentium Pro/Pentium II, the 1st AMD i686 CPU was the athlon, and I honestly forget what the 1st i686 VIA/cyrix CPU was.

If you want to check you system kernel than if you will use manually code to check it. it may be that code can be wrong or process can be wrong. but if you will use Linux Boot Disk to check your kernel. than you will get right answer.

Most Gnu/Linux install CD/DVD provide a means to boot the system. You can then use the booted system to diagnose or work on the system in question. One can look at '/proc/cpuinfo' since the booted kernel provides this information. You can also use ' dmidecode' to identify system information.